Charging stand



FIG. 1 is a top, front, left side perspective view of a charging stand, showing our new design;

FIG. 2 is a top, rear, right side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof, the left side elevational view being a mirror image thereof; and,

FIG. 6 is a top plan view thereof.

The equal-length broken lines in the drawings depict portions of the charging stand that form no part of the claimed design. 

CLAIM The ornamental design for a charging stand, as shown and described. 